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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KJ6WOO callsign genealogy

Currently held by OSAKA, TADASHI

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KJ6WOO's current licensee, walking backwards.

  1. KJ6VVNcancelled· G
    OSAKA, TADASHICAgranted 2012-04-19cancelled 2012-05-15

Successor callsigns

Callsigns held now by people who previously held KJ6WOO.

  1. W6XYBactive· G
    OSAKA, TADASHICAgranted 2022-04-18